CVE-2021-27230
HIGH
8.8
CVSS Score
Published: March 15, 2021 at 10:52 PM UTC
Updated: June 17, 2026 at 03:44 AM UTC
1 product affected across 1 vendorExpressionEngine
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Severity
HIGH8.8
Exploit prediction
EPSS 3%
Description
ExpressionEngine before 5.4.2 and 6.x before 6.0.3 allows PHP Code Injection by certain authenticated users who can leverage Translate::save() to write to an _lang.php file under the system/user/language directory.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 5.4.26.0.0 ≤ v < 6.0.3
Affected range stops below 5.4.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.0.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
http://karmainsecurity.com/KIS-2021-03x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/161805/ExpressionEngine-6.0.2-PHP-Code-Injection.htmlx_refsource_MISCMailing ListThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2021/Mar/32x_refsource_MISCPermissions RequiredThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/1093444CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-94
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